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coumarin

[koo-muh-rin] /ˈku mə rɪn/
noun
1.
a fragrant crystalline substance, C 9 H 6 O 2 , obtained from the tonka bean, sweet clover, and certain other plants or prepared synthetically, used chiefly in soaps and perfumery.
Also, cumarin.
Origin
1820-1830
1820-30; < French coumarine, equivalent to coumar(ou) tonka-bean tree (< Spanish cumarú < Portuguese < Tupi cumaru) + -ine -in2
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for coumarin
  • The subject was coumarin, an additive that had been shown to have a carcinogenic property which caused tumors in rats and mice.
  • coumarin is known to cause liver and kidney damage in high concentrations.
British Dictionary definitions for coumarin

coumarin

/ˈkuːmərɪn/
noun
1.
a white vanilla-scented crystalline ester, used in perfumes and flavourings and as an anticoagulant. Formula: C9H6O2
Derived Forms
coumaric, cumaric, adjective
Word Origin
C19: from French coumarine, from coumarou tonka-bean tree, from Spanish cumarú, from Tupi
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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coumarin in Science
coumarin
  (k'mər-ĭn)   
A fragrant crystalline compound extracted from several plants, such as tonka beans and sweet clover, or produced synthetically. Coumarin and its derivatives are widely used in perfumes, as anticoagulants, and as rodenticides. Chemical formula: C9H6O2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for coumarin

an organic compound having the characteristic odour of new-mown hay, obtainable from the tonka tree (native to Guyana) or by chemical synthesis. It is used in perfumes and flavourings and for the preparation of other chemicals

Learn more about coumarin with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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